The potential power of the individual to challenge structures of power is referred to as "agency".
Agency alludes to the experience of the self as an autonomous element fit for following up on the material and social condition. Agency includes an attention on self-articulation and self-development, and in that capacity a proactive introduction to conduct.
Juanita's mother is concerned about her being involved in sexual behavior that can be risky. Her mother should simply talk to Juanita about sex and the risks associated with it. Hopefully, Juanita will take in important information and remind herself of it if she ever is pressured into doing something she doesn't feel completely comfortable with.