incumbent

noun1 of 2

a person who holds a particular office or position

• “His speeches resemble the straight-to-the-point style of his incumbent.”Tatoeba
• “It is incumbent on us to support him.”Tatoeba

Sentences from Tatoeba show real usage. A word can have several meanings, so a sentence may use another one.

adjective2 of 2

Imposed on someone as an obligation, especially due to one's office.