humanitarian

(noun) someone devoted to the promotion of human welfare and to social reforms. Synonyms: do-gooder, improver.

(noun) an advocate of the principles of humanism; someone concerned with the interests and welfare of humans. Synonyms: humanist.

(adj) marked by humanistic values and devotion to human welfare. Synonyms: human-centered, human-centred, humanist, humanistic. Examples: "A humane physician." "Released the prisoner for humanitarian reasons." "Respect and humanistic regard for all members of our species."

(adj) of or relating to or characteristic of humanitarianism. Example: "Humanitarian aid."