A human resources (HR) specialist is responsible to various tasks within the HR department. HR specialist focuses on a specific task or role such as payroll, benefits, training, compensation, recruiting, and customer service for employees.
A psychologist studies normal and abnormal mental states from cognitive, emotional, and social processes and behavior by observing, interpreting, and recording how individuals relate to one another and to their environments.
An advocate is a professional in the field of law. Different countries' legal systems use the term with somewhat differing meanings. The broad equivalent in many English law-based jurisdictions could be a barrister or a solicitor.
A visiting professor is a professor at a college or university who is invited to teach at another college or university for a short period such as one term or one year.
Soft skills trainer
A Soft Skills Trainer provides targeted training to individuals to help them strengthen their interpersonal skills. Soft Skills Trainers provide support for people who struggle with or lack interpersonal communication skills.
Social Activist is a person who campaigns for some kind of social change. Someone who's actively involved in a protest or a political or social cause can be called an activist.