Hello Gabriel,

> As it seems that the word "yogavacaro" which corresponds to "yogi" appears
> in the pali texts and also in the names of Theravada Bhikkhus what would be
> its meaning and context in the pali canon?

Pali texts have many temporal strata. The later the text is, the more
borrowings from Sanskrit literature it has.

You can read about the chronology of the Pali texts in the article:
http://ccbs.ntu.edu.tw/FULLTEXT/JR-ENG/bcl.htm

Earliest texts don't use terms like 'yogavacaro'.

'Yogavacaro' doesn't have anything in common with 'yogacara'.

Best regards, Dmytro