Mentor
From ACT Wiki
1.
An independent experienced person in an organisation who advises and supports less experienced employees, sometimes known as 'mentees'.
The mentor is normally experienced in the mentee's professional specialism.
2.
A similarly independent person employed by a different organisation from the mentee.
See also
Other links
The ACT's Mentor Me scheme
The ACT runs a mentoring matching service for its members and students.