What's the adjective for relativists? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs relate, relativize and relativise which may be used as adjectives within certain contexts.
relative
Connected to or depending on something else; comparative.
(computing) Expressed in relation to another item, rather than in complete form.
(databases) A database technology using tables and the principles set forth by Dr. Edgar F. Codd. (Contrary to popular notion, "relation" in this context refers to tables, and not linkages.)
“It is vital that a relational connection between health and background is recognized to exist.”
“A relational connection between speakers and audiences is essential to effective public speaking.”
“Oracle's revenue-generating gold mine over the years has been directly relational to the already mentioned idea of licensing their product by the number of processors.”
relatable
Able to be related to something else; connected with.