Thatch ‧ er ‧ ite /ˈθætʃəraɪt/ BrE AmE noun
someone who agrees with the ideas and policies of Margaret ↑ thatcher , the former Prime Minister of the UK, especially her ↑ right-wing ideas about economic management:
Opposition to a European currency is still strong among the Thatcherites in the party.
—Thatcherite adjective :
a Thatcherite attitude to the Welfare State