community
noun ( pl. -ties)

a feeling of fellowship with others, as a result of sharing common attitudes, interests, and goals : the sense of community that organized religion can provide.
• [in sing. ] a similarity or identity : writers who shared a community of interests.
• joint ownership or liability : a commitment to the community of goods.

Ecology a group of interdependent organisms of different species growing or living together in a specified habitat : communities of insectivorous birds.
• a set of species found in the same habitat or ecosystem at the same time.