there's several different forms of mechanics but typically a person who repairs and maintains machinery.
An underpaid professional, who spends years learning his craft.
Usually a bike mechanic.
car mechanic motor mechanic vehicle mechanic
Have a mechanic find the cause and fix them, or do a bit more of an in-depth diagnosis and give a description of the problem if you want help doing it yourself?
an auto mechanic
A mechanic, or motor mechanic, or car mechanic.
Maybe a truck mechanic, or an airplane mechanic.
The mechanic did my car's engine for free.
There is no mechanic. Sorry.
Mechanic
Bill Mechanic's birth name is William M. Mechanic.
The passive equivalent is "The car will be repaired by the mechanic."