about
You don't need to be a vegetarian to care about animals.
I admire him because he seems to truly care about humanity.
It made me realize how many people care about me.
Friends have described her as a big thinker who cared about global issues and embraced difference.

SMART Vocabulary: related words and phrases

Excited, interested and enthusiastic
abubble
aflutter
agog
all of a flutteridiom
amped
entranced
evangelical
evangelistic
evangelistically
excited
go ahead
make (all) the right, correct, etc. noisesidiom
mood
nuts
omnivorous
omnivorously
zealous
zealously
zestful
zestfully