I think John's occupation would be cordwainer or Cordwiner meaning a shoemaker
Anyway, wonder is this is him...
1841 England Census
Name: John Tustin Age: 55 Estimated Birth Year: abt 1786 Gender: Male Where born: Worcestershire, England
Civil Parish: St Nicholas Hundred: Droitwich County/Island: Worcestershire Country: England
Registration district: Droitwich Sub registration district: Droitwich
Household Members: Name Age John Tustin 55 Elizabeth Tustin 42 David Tustin 11 Eliza Tustin 9 Charlotte Tustin 5 Ann Tustin 1 in this census, ages rounded to nearest 5 years for those over 15 (usually) Source Citation: Class: HO107; Piece 1207; Book: 4; Civil Parish: St Nicholas; County: Worcestershire; Enumeration District: 3; Folio: 10; Page: 13; Line: 19; GSU roll: 464214.