Hi,
Could his occupation have read Hairdresser? The old fashioned way of writing the double s can look like a p.
This could be him on the 1841 census:
AGES ROUNDED DOWN so he could have been 19.
Bunyons Buildings, Botchergate, Carlisle, Cumberland
Jane Vost, 50, born in county
Thomas Vost, 15, Hairdresser, Born in County
Regards,
Mo