How I translate the word guilt ?
I have guilt(-s) for not helping him.
or
I feel guilt(-s) for not helping him.
In Greek we have also the expression: "The Erinyes are chasing/hunting/haunting me for not helping him"
Also the word deter how is translated?
E.g. The enormous size of the chocolate monopoly and its massive sunk costs in Moldavia deters the creation of any competing factory.