Barnabas and Paul are rebuking the people for trying to sacrifice to them. AT: "Men, you must not do these things!" (See: [[rc://en/ta/man/translate/figs-rquestion]])
Here "turn from ... to" is a metaphor meaning to stop doing one thing and start doing something else. AT: "stop worshiping these false gods that cannot help you, and instead begin to worship the living God" (See: [[rc://en/ta/man/translate/figs-metaphor]])
Walking in a way, or walking on a path, is a metaphor for living one's life. AT: "to live their lives the way they wanted to" or "to do whatever they wanted to do" (See: [[:en:ta:vol1:translate:figs-metaphor]])