The professional rescuers doctrine states that a person who negligently causes a dangerous situation cannot later sue the professional rescuers who are injured while responding to the situation.

There are many professional support lawyers in the law firm.

She is a professionalist in her field.

There are many professionalists in the field of medicine.

The company professionalised its operations to improve efficiency.

She professionalises her skills by attending workshops and conferences.

She wants to professionalise her business by hiring a team of experts.

She is professionalising her skills by taking advanced courses.

The professionalisation of the industry has led to significant improvements in quality.

Her professionalship is unmatched in the industry.