beholden
Owing gratitude for a service or favor, or being under a moral obligation to another person.
Adjective
This term describes a state of moral or social indebtedness that feels heavy or binding. It carries a stronger sense of obligation than simply being grateful, often implying that the recipient feels a duty to reciprocate the favor or remain loyal to the benefactor.
In modern usage, the word frequently appears in formal or literary contexts. It can also take on a negative connotation in political or professional settings, suggesting that someone's independence has been compromised because they are beholden to a specific donor or powerful entity.