Injustice (noun): violation of the rights of others; unjust or unfair action or treatment.
Migrant worker (noun): a person who leaves their home country to find work in another country
Instability (noun): unpredictability, erratic
Hesitantly (adverb): undecided, doubtful, or disinclined
Encounter (verb): to come upon or meet with, esp. unexpectedly: to encounter a new situation.
Rebut (verb): to answer, to oppose, to contradict
Immigrate (verb): to come to a country of which one is not a native, usually for permanent residence.
Emigrate (verb): to leave one country or region to settle in another; migrate
Refugee (noun): a person who flees for refuge or safety, esp. to a foreign country, as in time of political upheaval, war, etc.