What are the main differences between a lecturer and an assistant professor in terms of their roles and responsibilities in academia?

The main differences between a lecturer and an assistant professor in academia lie in their levels of experience, qualifications, and responsibilities. A lecturer typically focuses on teaching courses and may have limited research duties, while an assistant professor is more involved in conducting research, publishing scholarly work, and working towards tenure. Assistant professors also often have more opportunities for leadership and mentorship roles within their academic department.