G.A. Benton In these three words — “WE ARE LINDEN” — the crisp-looking T-shirt worn by a server inside Ena’s Caribbean Kitchen said a lot. I’d later learn this server was Marlon Hayles, the restaurant’s general manager and son of its eponymous owner, Ena Hayles. Marlon’s shirt obviously expressed pride in the neighborhood, but it also conveyed support for the WE ARE LINDEN community outreach and youth-mentoring organization, which recently held its 7th Annual Linden Block Party. The shirt could almost have been commenting on the widely beloved eatery, too. As a 20-some-year fixture on a prominent corner in Linden (Cleveland and Myrtle avenues), Ena’s Caribbean Kitchen is a neighborhood…