Sellout (noun)

1. A person who betrays their principles or values for personal gain or success.
2. A person or organization that prioritizes profit over integrity or principle.

Origin:

From the verb phrase "to sell out", meaning to sell all of something or to betray one"s principles for personal gain.

Examples:

1. He was accused of being a sellout for accepting the corporate sponsorship.
2. The band was criticized for being sellouts after signing with a major label.
3. He felt like a sellout for compromising his beliefs to get ahead in his career.
4. The company was seen as a sellout for prioritizing profit over environmental responsibility.
5. The politician was labeled a sellout for changing her stance on a key issue.