Student teacher and University student

Student teacher noun - A college student who is teaching under the supervision of a certified teacher in order to qualify for a degree in education.

University student and student teacher are semantically related. In some cases you can use "University student" instead a noun phrase "Student teacher".

University student noun - A student enrolled in a college or university.

Student teacher and university student are semantically related. Sometimes you can replace phrase "Student teacher" with "University student", this phrases are similar.