For purposes of this chapter, the following terms shall be defined to mean:
A person, other than a parent, to whom legal custody of the juvenile has been given by court order or who is acting in the place of the parent or who is responsible for the care and welfare of the juvenile.
An individual who is under the age of 18 years.
Any place to which the public has access, including but not limited to a 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.