Disclosed is a mobile robot which includes: a mobile base which exhibits a control system configured to control the characteristics of the motion of the mobile base; and a bearing system configured to be grasped by a person. The bearing system is configured to pivot freely with respect to the mobile base about a vertical rotation axis. The robot includes at least one first sensor configured to detect at least one characteristic of a rotation motion of the bearing system with respect to the mobile base and to advise the control system which is configured to modify the trajectory of the robot as a function of the characteristic, detected by the first sensor, of the rotation motion of the bearing system.