This refers to a very bad event that causes a lot of damage, suffering, or loss.
Disaster
This is a person's or people's native land.
Homeland
This is a person, typically a homeless one, who lives by asking for money or food.
Beggar
This means to happen with great violence or intensity
Rage
This means to meet someone unexpectedly
Encounter
To find out if something is true or not
Investigate