Steinert App Dictionaries/44-84000Definitions/mu stegs can

mu stegs can

A follower of a non-Buddhist philosophy or religion.

A non-Buddhist religious practitioner who relies on sacred "fords" (tīrtha).

Religious or philosophical orders that were contemporary with the early Buddhist order, including Jains, Jaṭilas, Ājīvikas, and Cārvākas. Initially, the term tīrthika or tīrthya may have referred to non-Brahmanic ascetic orders.
See also http://read.84000.co/translation/UT22084-001-001.html#UT22084-001-001-48 and http://read.84000.co/translation/UT22084-001-001.html#UT22084-001-001-49.