Expropriator

[eks-proh-pree-eyt] /ɛksˈproʊ priˌeɪt/

verb (used with object), expropriated, expropriating.
1.
to take possession of, especially for public use by the right of eminent domain, thus divesting the title of the private owner:
The government expropriated the land for a recreation area.
2.
to dispossess (a person) of ownership:
The revolutionary government expropriated the landowners from their estates.
3.
to take (something) from another’s possession for one’s own use:
He expropriated my ideas for his own article.
/ɛksˈprəʊprɪˌeɪt/
verb (transitive)
1.
to deprive (an owner) of (property), esp by taking it for public use See also eminent domain
v.

1610s, back-formation from expropriation, or from earlier adjective (mid-15c.), or from Medieval Latin expropriatus, past participle of expropriare “to deprive of one’s own.” Related: Expropriated; expropriating.