Glenn Poyner, 35, admitted a string of sexual offending committed against two girls, including four counts of rape.
One of the victims said in an impact statement read to Shrewsbury Crown Court on Friday that she still jumped whenever she saw a man with a beard.
“I want to run because I know he will come after me. I live in constant fear,” she said of bearded Poyner.
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Welcoming the 19-and-a-half year jail sentence and extended four-and-a-half year licence period, West Mercia Police detective DS Natalie Ryan, said: “This investigation was harrowing for all involved.
“Poyner is a highly dangerous individual who preyed on young girls, and it is incomprehensible that he would commit such crimes against them.
“My hope is that this substantial prison sentence will bring some measure of comfort to those whose lives have been damaged by Poyner’s predatory and sickening actions.”
A spokeswoman for the NSPCC charity said following the hearing: “Child sexual abuse can have a significant and long-lasting impact on young people and it is vital that the victims in this case are receiving all the support they need to move forward with their lives.
“Child sexual abuse continues to take place at alarming rates; last year there were more than 105,000 offences recorded by police.
“It is really important that communities across the country are aware of the risk and are ready to report it to the authorities or the NSPCC helpline if they think a child is at risk.”