A terminal comprising a plate shaped electrical connector including an engagement portion and an equipment portion, a ring shaped support member intimately attached to an outer periphery of the equipment portion and abutting to the engagement portion, and a ring shaped elastic seal intimately attached to the outer periphery of the equipment portion and adjacent to the support member from a side of the support member opposite a side abutting the engagement portion. Also, a connector comprising the terminal and a connector housing including a terminal space into which the terminal is inserted, the terminal space having an inner peripheral wall.