This is the 2782nd most frequent French word.
communautaires
"Communautaires" means "relating to a community or communities."
Here, 'communautaires' functions as an adjective modifying 'initiatives', indicating that these initiatives are related to the community.
Les initiatives communautaires ont renforcé les liens entre les voisins.
Community initiatives have strengthened ties between neighbors.
In this sentence, 'communautaires' is an adjective describing 'responsables', emphasizing their role or connection to the community.
Les responsables communautaires organisent une réunion mensuelle.
The community leaders hold a monthly meeting.
'Communautaires' here is also an adjective, qualifying 'projets' to denote that these projects pertain to the community at large.