Full Idea
What is called 'subjectivism' is really just an extension of relativism from the level of the social group to the level of the individual.
Gist of Idea
'Subjectivism' is an extension of relativism from the social group to the individual
Source
Gordon Graham (Eight Theories of Ethics [2004], Ch.1)
Book Reference
Graham,Gordon: 'Eight Theories of Ethics' [Routledge 2004], p.3
A Reaction
Personally I prefer to stick with 'relativism', at any level. 'Relative' is a two-place predicate, so we should always specify what is relative to what, unless it is obvious from context. Morality might be relative to God, for example.