A connector which is mounted on a circuit board when used, wherein: the connector is mateable along an up-down direction with a mating connector which has a mating terminal; the connector has a housing and a terminal; the terminal has a held portion, a supporting portion, a coupling portion, a contact portion and a guiding portion; the held portion is held by the housing; the supporting portion has a resilient property; the coupling portion couples the held portion and the supporting portion with each other; the coupling portion has a fulcrum; the contact portion is supported by the supporting portion and faces in a first orientation of a first horizontal direction which is perpendicular to the up-down direction; the first orientation starting from the contact portion is away from the held portion; the guiding portion is positioned above the contact portion in the up-down direction; the guiding portion extends in a second orientation of the first horizontal direction and upward in the up-down direction; the second orientation is opposite to the first orientation; in a middle of a process of mating the mating connector and the connector with each other, the mating terminal is moved on the guiding portion while the mating terminal pushes down a whole of the terminal and the fulcrum begins to be pressed against one of the circuit board and the housing; the mating terminal and the guiding portion are brought into contact with each other at a specific contact location at the beginning of the fulcrum being pressed against the one of the circuit board and the housing; the guiding portion receives a vertical force from the mating terminal at the specific contact location; the vertical force is directed perpendicular to a contact surface where the mating terminal and the guiding portion are in contact with each other at the specific contact location; the guiding portion receives, at the specific contact location, a frictional force caused by friction between the mating terminal and the guiding portion upon movement of the mating terminal on the guiding portion; and an action line of a combined force of the vertical force and the frictional force intersects with the one of the circuit board and the housing at a reference point; characterized in that the fulcrum is positioned beyond the reference point in the first orientation of the first horizontal direction. the connector is mateable along an up-down direction with a mating connector which has a mating terminal; the connector has a housing and a terminal; the terminal has a held portion, a supporting portion, a coupling portion, a contact portion and a guiding portion; the held portion is held by the housing; the supporting portion has a resilient property; the coupling portion couples the held portion and the supporting portion with each other; the coupling portion has a fulcrum; the contact portion is supported by the supporting portion and faces in a first orientation of a first horizontal direction which is perpendicular to the up-down direction; the first orientation starting from the contact portion is away from the held portion; the guiding portion is positioned above the contact portion in the up-down direction; the guiding portion extends in a second orientation of the first horizontal direction and upward in the up-down direction; the second orientation is opposite to the first orientation; in a middle of a process of mating the mating connector and the connector with each other, the mating terminal is moved on the guiding portion while the mating terminal pushes down a whole of the terminal and the fulcrum begins to be pressed against one of the circuit board and the housing; the mating terminal and the guiding portion are brought into contact with each other at a specific contact location at the beginning of the fulcrum being pressed against the one of the circuit board and the housing; the guiding portion receives a vertical force from the mating terminal at the specific contact location; the vertical force is directed perpendicular to a contact surface where the mating terminal and the guiding portion are in contact with each other at the specific contact location; the guiding portion receives, at the specific contact location, a frictional force caused by friction between the mating terminal and the guiding portion upon movement of the mating terminal on the guiding portion; and an action line of a combined force of the vertical force and the frictional force intersects with the one of the circuit board and the housing at a reference point; characterized in that the fulcrum is positioned beyond the reference point in the first orientation of the first horizontal direction.