What is another word for lifting finger?
Pronunciation: [lˈɪftɪŋ fˈɪŋɡə] (IPA) 
The phrase "lifting finger" has several synonyms that can be used depending on the context. One alternative is "exerting effort," which suggests that the person is putting in some physical or mental exertion. Another synonym could be "contributing," which emphasizes the person's role in a larger task or project. "Pitching in" or "chipping in" have a similar connotation of helping out. "Taking action" implies a greater sense of urgency or importance, while "initiating" suggests that the person is the one who started the activity. Overall, there are many ways to express the idea of someone contributing to a task or project beyond just lifting a finger.
