Hero
https://www.freepik.com/free-photo/handsome-businessman-suit-glasses-cross-arms-chest-look_9903076.htm

Course
https://www.freepik.com/free-photo/discussing-video-course_5399080.htm

Training
https://www.freepik.com/free-photo/diverse-group-students-taking-online-tests_5890178.htm

Training 2
https://www.freepik.com/free-photo/mix-raced-trainees-working-computer-public-library_5890439.htm