docent >> /ˈdoʊsənt/
Definition: [noun] (in certain universities and colleges) a member of the teaching staff immediately below professorial rank.
Example: After leaving Italy in 1922, Cech wrote his habilitation thesis, becoming a docent at the Charles University of Prague.
Definition: [noun] A person who acts as a guide, typically on a voluntary basis, in a museum, art gallery, or zoo.
Example: Museum docents, who will be musicians, will guide school groups through the museum, bringing history alive through performances, storytelling and interactive exhibits.