One who binds themselves to another to pay or to perform something.

plural of obligant

Happy and ready to do favours for others.

The imposition of an obligation.

present participle of oblige

Under an obligation to do something. / Grateful or indebted because of a favor done.

simple past tense and past participle of oblige

(transitive) To constrain someone by force or by social, moral or legal means. / (transitive, intransitive) To do (someone) a service or favour (hence, originally, creating an obligation).

present participle of obligate

Third-person singular simple present indicative form of obligate