humanitarian
US /hjuːˌmæn.ɪˈter.i.ən/
UK /hjuːˌmæn.ɪˈter.i.ən/

1.
a person who seeks to promote human welfare
:
•
She dedicated her life to being a humanitarian, helping those in need around the world.
•
The organization relies on the support of many dedicated humanitarians.
1.
concerned with or seeking to promote human welfare
:
•
The organization provides humanitarian aid to disaster-stricken areas.
•
His work has a strong humanitarian focus.