Betrayal

adjective not loyal or faithful; betraying someone's trust or confidence

• The disloyal employee was eventually terminated for his lack of commitment to the company.
• I can't believe she was so disloyal to her best friend by spreading rumors about her.
• He's always been known as a backstabber, constantly being disloyal to his friends.
• The disloyal act of the sun hiding behind the clouds made the picnic attendees disappointed.

noun a person, especially an unspecified or unknown person

verb a word used to describe an action, state, or occurrence

adjective a word or phrase naming an attribute, added to or grammatically related to a noun to modify or describe it

pronoun a word that can function by itself as a noun phrase and that refers either to the participants in the discourse (e.g., I, you) or to someone or something mentioned elsewhere in the discourse (e.g., she, it, this)

preposition a word governing, and usually preceding, a noun or pronoun and expressing a relation to another word or element in the clause

conjunction a word used to connect clauses or sentences or to coordinate words in the same clause

interjection an abrupt remark, made especially as an aside or interruption

article a particular item or object, typically one of a specified type

• It is hard to believe that someone would sell their own grandmother for money.
• I can't believe someone would sell their own grandmother just for some cash.
• I can't wrap my head around the fact that someone would sell their own grandmother for a quick buck.
• The level of greed is so high that it seems like someone would sell their own grandmother to get what they want.