B. and C. should be your answers!
Answer:
A hunter-gatherer is a human living in a society in which most or all food is obtained by foraging (collecting wild plants and pursuing wild animals). ... Following the invention of agriculture, hunter-gatherers who did not change have been displaced or conquered by farming or pastoralist groups in most parts of the world.
Explanation:
The state of being excluded from social activity as an 'outsider'
Secularism? I think. Just answered similar question