Disreputable or sordid in a rakish or appealing way.
Originating from early 19th century French, louche literally translates to squinting.
“Fresh of face and louche of manner, they are equal parts Dickensian urchins and Wildean dandies.”
“Louche he may be but I am able to resist his charms and see him for what he is.”
Itinerant (adj) (noun)
Travelling from place to place. / A person who travels from place to place.
Late 16th century (used to describe a judge travelling on a circuit): from late Latin itinerant- ‘travelling’, from the verb itinerari, from Latin iter, itiner- ‘journey, road’.