What is the meaning of Ambulance_chaser?

An unethical attorney who solicits business at the scenes of accidents or in hospitals, in exchange for a percentage of the damages that will be recovered in the case.

An attorney who engages in unethical behavior.

An unethical funeral director or person who engages in the unlicensed sale of services to those who do not yet require them in an attempt to increase business.

Source: wiktionary.org