Only around a tenth of child sexual abuse cases were abused by strangers , and the rest are other people whom the child knows such as friends of the family , babysitters , or neighbors . Men are the offenders in most child sexual abuse ; women are the offenders in around 10 % of the cases . Most sexual abuse offenders are acquainted with their victims ; approximately 30 % are relatives of the child , most often brothers , fathers , uncles or cousins ; around 60 % are other acquaintances such as ` friends ' of the family , babysitters , or neighbors ; strangers are the offenders in approximately 10 % of child sexual abuse cases .