Arrogate
verb
seize and take control without authority and possibly with force; take as one's right or possession
“He assumed to himself the right to fill all positions in the town”
Similar: assume, usurp, seize, take over
verb
demand as being one's due or property; assert one's right or title to
“He claimed his suitcases at the airline counter”
Similar: claim, lay claim
verb
make undue claims to having
Similar: assign