Is it permissible for a young man who has a partial disability in his left hand, but still uses it, to get married, or does his disability prevent him from marrying for fear of hearing inappropriate remarks from the wife's family?

It is permissible for a person afflicted with a defect or illness to marry, provided that he informs the woman of it. If she knows and accepts, then there is no blame upon him. This applies to diseases that grant the option of annulment, such as contagious and repulsive diseases. As for a hand disability or paralysis, it is not obligatory to disclose it, but it should be clarified to avoid dispute.