walking-out

(verb) stop work in order to press demands. Synonyms: strike, walk out. Examples: "The auto workers are striking for higher wages." "The employees walked out when their demand for better benefits was not met."

(verb) leave abruptly, often in protest or anger. Synonyms: walk out. Example: "The customer that was not served walked out."

(verb) leave suddenly, often as an expression of disapproval. Synonyms: walk out. Example: "She walked out on her husband and children."