What is the meaning of Obliger?

One who, or that which, obliges.

to oblige, to require, to compel, to force [with direct object ‘someone’ and à (+ infinitive) ‘to do something’]

to have to [with de (+ infinitive) ‘do something’]

to help, to aid

first-person singular present passive subjunctive of obligō

to oblige

Source: wiktionary.org