An electric connector including: a terminal including a sheath section and an engagement section; and a housing into which the terminal is inserted, the housing being electrically insulative; the housing including therein a terminal space into which the terminal is inserted in a direction towards a front from a rear of the housing, the housing including: a lance protruding in the housing towards an axis of the terminal space, and being able to engage to and disengage from the engagement section of the terminal; a resilient support resiliently supporting the lance such that the lance is able to move away from the axis; and a path through which a jig for disengaging the lance from the engagement section is insertable into the housing through a front of the housing towards the lance along the engagement section, wherein furthermore the resilient support is formed with a slit communicating with the path and extending towards the lance from an entrance of the path, the slit extending to the engagement section of the terminal inserted into the terminal space or to a location in the vicinity of the engagement section of the terminal inserted into the terminal space; wherein the jig comprises an insertion portion insertable into the housing through the path, the insertion portion having a T-shaped cross-section insertable into both the path and the slit, the insertion portion includes a first portion horizontally coextensive and being in the form of a plate, and a second portion vertically extending from the first portion. a terminal including a sheath section and an engagement section; and a housing into which the terminal is inserted, the housing being electrically insulative; the housing including therein a terminal space into which the terminal is inserted in a direction towards a front from a rear of the housing, the housing including: a lance protruding in the housing towards an axis of the terminal space, and being able to engage to and disengage from the engagement section of the terminal; a resilient support resiliently supporting the lance such that the lance is able to move away from the axis; and a path through which a jig for disengaging the lance from the engagement section is insertable into the housing through a front of the housing towards the lance along the engagement section, a lance protruding in the housing towards an axis of the terminal space, and being able to engage to and disengage from the engagement section of the terminal; a resilient support resiliently supporting the lance such that the lance is able to move away from the axis; and a path through which a jig for disengaging the lance from the engagement section is insertable into the housing through a front of the housing towards the lance along the engagement section, wherein furthermore the resilient support is formed with a slit communicating with the path and extending towards the lance from an entrance of the path, the slit extending to the engagement section of the terminal inserted into the terminal space or to a location in the vicinity of the engagement section of the terminal inserted into the terminal space; wherein the jig comprises an insertion portion insertable into the housing through the path, the insertion portion having a T-shaped cross-section insertable into both the path and the slit, the insertion portion includes a first portion horizontally coextensive and being in the form of a plate, and a second portion vertically extending from the first portion.