She introduces herself as Jess La Bombalera, a nickname apparently of her own making, adapted from Bomba, an Afro-Puerto Rican genre of music and dance. Broadcasting live from “El Barrio,” and wearing purple-tinted shades and a hoop in her nose, she lambasts gentrifiers, shouts out her “black and brown siblings,” and twice calls out “white New Yorkers” for not yielding their speaking time.