adjective

averse to change or innovation and holding traditional values.

traditionalist,traditional,conventional,orthodox,stable,old-fashioned,dyed-in-the-wool,unchanging,hidebound,cautious,prudent,careful,safe,timid,unadventurous,unenterprising,set in one’s ways,moderate,middle-of-the-road,temperate,stick in the mud

noun

a person who is averse to change and holds traditional values.

right-winger,reactionary,rightist,diehard,Tory,Republican,true blue,gammon