Theory:

Meanings of the difficult words from the lesson "Glimpses of the Past":
 
S.No
Words
Meanings
1
MartyrA person who sacrifice their life for the sake of freedom or country
2
SacrificeAn act of giving up something valued for the sake of something else regarded as more important or worthy
3
Suffering The state of undergoing pain, distress, or hardship
4
RemembranceThe action of remembering something
5
CrookedDoing the things in a dishonest or illegal way
6
WeaponA thing designed or used for inflicting bodily harm or physical damage
7
Rivalries Competition for the same objective or for superiority in the same field
8
Subdue Bring a country or people under control by force
9
Looting by thugs To take goods from a place by force or without right, especially in time of war
10
Destiny The hidden power believed to control future events; fate
11
Dethroned Remove from a position of authority or dominance
12
ForeignerA person born in or coming from a country other than one's own
13
SaviourA person who saves someone or something from danger or difficulty
14
Preached Publicly proclaim or teach a religious message or belief
15
Untouchability Belonging to the lowest-caste or the people outside the caste system
16
Child marriageA marriage or similar union, between a child and an adult
17
Scorned Showing contempt or disdain towards a person or object considered as unworthy
18
Misery A cause or source of great distress or discomfort
19
Unworthy Not deserving respect or attention
20
Abandon Give up completely
21
ArrearsMoney that is owed and should have been paid earlier
22
Import Bring goods or services into a country from abroad for sale
23
Cripple Cause severe and disabling damage to; deprive of the ability to function normally
24
Famine Extreme scarcity of food 
25
StarvationSuffering or death caused by lack of food 
26
DespiseFeel contempt
27
AchievementA thing done successfully with effort, skill, or courage
28
ReformMake changes in something, especially an institution or practice in order to improve it
29
SuperstitionA widely held but irrational belief in supernatural influences, especially as leading to good or bad luck
30
RuiningCause a great damage or harm to; have a disastrous effect on something
31
SuspiciousHaving or showing a cautious distrust of someone or something 
32
SubjectA member of a state other than its ruler
33
OweBe under a moral obligation to give someone gratitude, and respect
34
Funeral pyreA pile of wood on which a corpse is burnt as part of a funeral ceremony
35
Oppress Keep someone under the control by force
36
FortuneA large amount of money or assets
37
Prospered Succeed in material terms; be financially successful
38
Loot Private property taken from an enemy in war
39
Implementing Put a decision, plan or agreement into effect
40
Improvise Produce or make something from whatever is available
41
Petty jobs Small jobs like typing, document writing
42
ClerkA person employed in an office or bank to keep records, accounts, and undertake other routine administrative duties
43
IntellectualA person possessing a highly developed intellect
44
GrievanceAn official statement of a complaint over something believed to be wrong or unfair
45
PuppetPerson, group, or country under the control of another
46
PeasantA poor smallholder or agricultural labourer of low social status
47
SanthalA member of a large indigenous group living mainly in eastern India
48
DesperateFeeling or showing a hopeless sense that a situation is so bad as to be impossible to deal with
49
Rebellion An act of armed resistance to an established government or leader
50
Massacred Deliberately and brutally kill many people
51
Discontent Dissatisfaction with one's circumstances
52
Brewing Of an unwelcome event or situation begin to develop
53
Mansion A large, impressive house
54
Pittance A very small or inadequate amount of money
55
PromotionsThe action of promoting someone or something to a higher position or rank
56
Abolish Formally put an end to a system, practice, or institution
57
CustomA traditional and widely accepted way of behaving or doing something that is specific to a particular society, place, or time
58
Adjutant A military officer who acts as an administrative assistant to a senior officer
59
ExecutedKill someone as a political act
60
RevoltedTake violent action against an established government or ruler; rebel
61
Grease A thick oily substance, especially as used as a lubricant
62
Outbreak A sudden occurrence of something unwelcome, such as war or disease
63
Marched Walk in a military manner with a regular measured tread
64
SepoyAn Indian soldier serving under British or other European orders
65
LandlordThe owner of a house, apartment, land, or real estate
66
SoreUpset and angry
67
Urge A strong desire or impulse
68
BitterFeeling or showing anger, hurt, or resentment because of bad experiences or a sense of unjust treatment
69
Kingdom A country, state, or territory ruled by a king or queen
70
Upsurge An upward raise in the strength or quantity of something; an increase
71
PounceSpring forward suddenly so as to attack or seize someone or something