Question

select the word that means a person who works for a cause.
born in india, mohandas gandhi moved to south africa to practice law when he was a young man. there, gandhi experienced discrimination because he was indian. when he refused to give his seat on a train to a white passenger, he was thrown off and beaten. gandhi developed ideas of passive resistance to unfair government policies and began seeking rights for indians in south africa.
when he returned to his home country in 1914, india was still ruled as a colony of great britain. gandhi considered many british policies unfair to indians, and he denounced laws such as those that prohibited indians from selling salt. he ultimately became a leading advocate of indian independence from great britain.

Explanation:

The text describes Gandhi working for Indian rights and independence, and identifies him as a "leading advocate" of this cause. The word "advocate" matches the definition of a person who works for a cause.

Answer:

advocate