A person who dispossesses or displaces another in a position, esp. by treacherous or dishonourable means.

One who illegally or unjustly seizes, appropriates, or intrudes into any office, property, rights, etc. Also const. upon.

A usurper.

One who or that which grabs; esp. in (or short for) the combination land-grabber n. used chiefly in Ireland as a term of reproach for one who takes…