practical person; realist; pragmatist
Refers to someone who acts based on practical considerations rather than ideals or theories.
He is a practical person and won't act on ideals alone.
実務家 emphasizes hands-on business or administrative work, whereas 実際家 is broader, covering any practical, realistic approach.
Compound of 実際 (じっさい, 'reality, practice') and 家 (か, 'person, specialist').