As used in this chapter, the following terms shall have the meanings indicated:
A person, other than a parent, to whom legal custody of a juvenile has been given by court order or who is acting in place of the parent or is responsible for the care and welfare of the juvenile.
An individual who is under the age of 18.
Any place to which the public has access, including but not limited to any public street, road, thoroughfare, sidewalk, bridge, alley, plaza, park, recreation or shopping area, public transportation facility, vehicle used for public transportation, parking lot or any other public building, structure or area.