the mind > mental capacity > knowledge > scholarly knowledge, erudition > intellectual command, mastery > [noun] > broad knowledge or view > student of (3)
A person who is not a specialist (in various senses).
A person who acquires knowledge from any or every place. Obsolete.
A person capable of tackling a wide variety of tasks or subjects, esp. one trained or competent in a number of different fields; (also in later use)…