Remove "coach" reference. Use "tutor" in all cases

[ywarnier]

The term "coach" is often interpreted as a personal career coach, while the meaning we have for this role in Chamilo is more that of a tutor. While we certainly don't want to diminish or restrict the role of a tutor or coach in any way, I believe it will be a net-improvement for Chamilo to be specifically designing the role (which there is only one of, in Chamilo) by a single name rather than confusing users by sometimes showing "coach" and sometimes showing "tutor" for the same users.

Yes, there are 3 types of roles that use this title (course assistant, course coach and session tutor), but they all match the definition of a tutor more than that of a coach.

Here a few comparison points:

Tutor (Subject-Specific Content Specialist)

• Definition: A tutor provides individualized or small-group instruction, often acting as a private educator to teach a specific subject or skill, such as math problems, language skills, or test preparation.
• Focus: Knowledge transfer and immediate content comprehension.
• Goal: Improve grades, prepare for a specific test, or fill gaps in academic knowledge.
• Approach: Directive, re-teaching material taught in school, and offering homework help.
• Timeline: Often short-term, used for specific courses, or in response to academic struggles.

Coach (Process-Oriented Facilitator)

• Definition: A coach acts as a facilitator who instructs, inspires, and motivates individuals to maximize their personal and professional potential.
• Focus: Study skills, executive functions (organization, time management), and learning strategies.
• Goal: To help the student become an independent learner, developing habits for long-term academic and life success.
• Approach: Collaborative, focusing on goal-setting, metacognition (how to think about thinking), and navigating the curriculum.
• Timeline: Generally a longer-term, ongoing relationship.