Option 1: mendicants -> Refers to beggars who live by asking for alms, not those seeking employment opportunities.
Option 2: hermits -> People who live in solitude away from society, which contradicts the context of moving to cities.
Option 3: migrants -> People who move from one place to another in search of employment and better living conditions.
Option 4: anarchists -> Individuals who oppose hierarchical authority, unrelated to seeking work and livelihood.
Hence, Option 3: migrants -> Migrants are people who relocate from their place of origin to cities or other regions specifically seeking employment opportunities and improved quality of life, which perfectly aligns with the sentence context -> correct