Maryland Code, Criminal Law § 3-1201

(1) use of physical force against an individual;

(2) restraint, abduction, isolation, or confinement of an individual against the individual's will and without lawful authority;

(3) control or direction of the activity of an individual through debt bondage;

(4) destruction, concealment, removal, confiscation, withholding, or possession of an actual or purported passport, immigration document, or governmental identification document of an individual;

(5) infliction of serious psychological harm to an individual;

(6) control of an individual's access to a controlled dangerous substance;

(7) exposure or dissemination of any fact or information that would tend to subject an individual to criminal or immigration proceedings;

(8) notification to an agency or unit of the State or federal government that an individual is present in the United States in violation of federal immigration law; and

(9) exploitation of a vulnerable adult.

(1) the value of the labor, services, or sex act is not applied toward the liquidation of the debt;

(2) the nature of the labor, services, or sex act is not limited or defined; or

(3) the amount of the debt does not reasonably reflect the value of items, services, or other things of value for which the debt was incurred.