6a: Having no fixed abode and a distraught air, have a drink. (7) _ A _ P _ R _. Is it 'Rapport' or something like that?
11d: Sounds as though some pepper will be followed by a cry of pain, as you are well aware. (4) _ N _ W.
53a: Being wedged tightly and hard to shift, the mischief-maker got out and did something. (5) A _ T _ D. Could it be 'Acted', and why?