Guilt takes in shame and remorse. Shame and remorse gives the feeling of being small and takes in the zone of seeking others approval and validation in order to feel better.
What was that mental pattern based on some fear which made someone to do this act first?
Secondly, do not waste time in beating yourself up and making you more small.
Love yourself. Be kind to yourself. Water your roots. If it would have been done earlier. the situation won’t have reached here.
Love is the healing balm to all.