defiling

To make unclean, dirty, or impure; soil; befoul.

To vandalize or add inappropriate contents to something considered sacred or special; desecrate

“To urinate on someone's grave is an example of a way to defile it.”

To deprive or ruin someone's (sexual) purity or chastity, often not consensually; stain; tarnish; mar; rape

“The serial rapist kidnapped and defiled a six-year-old girl.”

To march in a single file; to file.