An assisting robot, comprising: a base; an elevator having an elevator main body that is configured to move linearly in a vertical direction with respect to the base, and a pivot support provided at an upper end of the elevator main body; an arm which is pivotable about a predetermined pivot axis of the pivot support of the elevator; a holder provided at an end of the arm that is configured to support an upper body of a care receiver, and a control device that is configured to control vertical movement of the elevator main body and pivoting of the arm for assisting the care receiver in standing up from a sitting posture to a standing posture, wherein the control device is configured to, after moving the elevator main body vertically as a result of the care receiver or a caregiver performing a vertical movement operation of the elevator main body according to the height of the body of the care receiver who is in an initial sitting posture, execute a first operation that coordinates lowering of the elevator main body and pivoting of the arm in a forward rotation, which is a rotation that causes the holder to rise with respect to the elevator main body, so as to move a shoulder position of the care receiver held by the holder forward in an approximately horizontal manner, for at least a part of a period from when the care receiver is in an initial sitting posture to a predetermined intermediate posture, and to execute a second operation that raises the elevator main body in a period from time of the predetermined intermediate posture to time of the standing posture, characterized in that the first operation and the second operation include an operation for forward-rotating the arm and do not include an operation for rearward-rotating the arm. a base; an elevator having an elevator main body that is configured to move linearly in a vertical direction with respect to the base, and a pivot support provided at an upper end of the elevator main body; an arm which is pivotable about a predetermined pivot axis of the pivot support of the elevator; a holder provided at an end of the arm that is configured to support an upper body of a care receiver, and a control device that is configured to control vertical movement of the elevator main body and pivoting of the arm for assisting the care receiver in standing up from a sitting posture to a standing posture, wherein the control device is configured to, after moving the elevator main body vertically as a result of the care receiver or a caregiver performing a vertical movement operation of the elevator main body according to the height of the body of the care receiver who is in an initial sitting posture, execute a first operation that coordinates lowering of the elevator main body and pivoting of the arm in a forward rotation, which is a rotation that causes the holder to rise with respect to the elevator main body, so as to move a shoulder position of the care receiver held by the holder forward in an approximately horizontal manner, for at least a part of a period from when the care receiver is in an initial sitting posture to a predetermined intermediate posture, and to execute a second operation that raises the elevator main body in a period from time of the predetermined intermediate posture to time of the standing posture, characterized in that the first operation and the second operation include an operation for forward-rotating the arm and do not include an operation for rearward-rotating the arm.