In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
To be deprived of a close relation or friend through their death.

* To bereave means to be deprived of a loved one through a profound absence, especially due to their death.
To divest means to deprive someone of power, rights, or possessions.

To oust means to drive out or expel someone from a position or place.

To dispossess means to deprive someone of land, property, or other possessions.

Therefore, "to bereave" is the perfect substitute.