Which or what skills are most important what the teacher should have, except the professional knowledge of course?

Skills the teacher should have

1. Information-Delivery Skills (Presentation)
2. Classroom Management and Organization
3. Inspiring Motivation and Interest
4. Leadership
5. Mentoring
6. Adaptability
7. Imagination
8. Team Work
9. Preparation, Good Planning and Organization
10. Effective Communication
11. Organizing Strategies  
12. Instructing Strategies
13. Assessing Strategies
14. Constant Learning
15. Understanding Where Technology Fits In Education
16. Knowing How To Find Useful Resources
17. Recognizing Individual Differences in Students and Adjusting Teaching Practices Accordingly
18. Having an Understanding of How Students Develop and Learn
19. Appreciating How Knowledge in the Subjects Taught is Created, Organized and Linked to Other Disciplines
20. Commanding Specialized Knowledge of How to Convey a Subject to Students
21. Generating Multiple Paths to Knowledge
22. Calling on Multiple Methods to Meet Their Goals
23.  Regular Assessment of Students’ Progress
24. Taking Advantage of Community Resources
25. Working Collaboratively with Parents

https://www.examtime.com/blog/teaching-skills/

http://www.nbpts.org/sites/default/files/what_teachers_should_know.pdf

http://www.educatorstechnology.com///-digital-skills-every-st-century.html