apart from being a singer is she a philanthropist as well?
Yes.
Mariah Carey
arey is a philanthropist who has been involved with several charitable organizations. She became associated with the Fresh Air Fund in the early 1990s, and is the co-founder of a camp located in Fishkill, New York, that enables inner-city youth to embrace the arts and introduces them to career opportunities. 
who was mariah carey song we belong together about A woman's desperation for her former lover to return. who composed it? Mariah Carey, Jermaine Dupri, Manuel Seal and Johntá Austin. was it part of any album? Yes, The Emancipation of Mimi. was it criticized on any grounds? No. did it make it to the charts? Yes, the US "Billboard" Hot 100. did it win any awards? Yes, the "Rhythmic Top 40 Title of the Year", "Hot 100 song of the Year" and "Hot 100 Airplay of the Year" awards. could you mention any other songs from this album? Say Somethin, To the Floor and Fly Like a Bird. when was it released? On April 4, 2005, in Australia and New Zealand. where is the singer from? Huntington, New York.
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Mariah Carey [SEP] Philanthropy
Carey is a philanthropist who has been involved with several charitable organizations. She became associated with the Fresh Air Fund in the early 1990s, and is the co-founder of a camp located in Fishkill, New York, that enables inner-city youth to embrace the arts and introduces them to career opportunities. The camp was called Camp Mariah "for her generous support and dedication to Fresh Air children," and she received a Congressional Horizon Award for her youth-related charity work. Carey has continued her direct involvement with Camp Mariah, and by 2019 the executive director of The Fresh Air Fund reported that "...the kids who have gone to Camp Mariah have higher graduation rates out of high school and college.