A charitable person can be described with the adjective genereux (masculine singular or plural) or genereuse (feminine singular) or genereuses (feminine plural).
de bienfaisance, or 'charitable'
this is not a Charitable organization. People trust charitable organizations.
He made a charitable contribution.
charity
The word 'charitable' is the adjective form of the abstract noun charity.The abstract noun form of the adjective 'charitable' is charitableness.
alms
charitable
Philanthropic
Cooperative, Charitable, Constructive. :-)
self-sacrificing, bountiful gift
volunteer
The likely word is the adjective "generous" (charitable, or substantial).