IT lecturer, Education Consultant/Manager, Trainer, Training Officer or Training Consultant are the various titles given to the person who trains others in Information Technology.
With every device that is invented (hardware) and every program that is written (software) someone has to use it and in order to do so, they wil lrequire training.
Trainers can start right at pre-school level, teaching basic computer skills totoddlers, right up to and beyond university level teaching people to get their Doctorate in computer science! At all stages where ICT touches individuals, training and education are needed.
Having a degree or diploma that allows you to find a position in the ICT industry, coupled with a few years experience will allow you to apply for a training position.