A lecturer is a person who teaches in a college or a university. It is basically an academic rank given to educationists in colleges and universities, though the term varies from place to place with regards to the ranking. A lecturer can teach both under-graduate and post-graduate students. They can teach the students of the degree they possess, and it is not essential for them to hold any Ph.D. degree.
The definition of lecturer differs from university to university or state to state. The lecturer can be a part-time or full-time asset of the organization. In most cases, lecturers are part-time employees of the organization. They take the teaching assignment of a few hours to pursue their career or studies ahead. Along with teaching students, they can prepare for their own higher studies or growth.
A lecturer may not be a permanent member of a workplace, but possess the same profession as full-time university employees. Lecturers stand in front of the classroom and give an organized talk to the students through their teaching skills. Sometimes professionals are hired as lecturers for sharing knowledge on any particular topic or a unit. They give speeches in their area of expertise to explain it in vast detail, as they have done a lot of research on it.