I found someone with this name

you should use the pre-made repost system (there is a rule for this violation)

Copy of the format

[1] Members name.
[replace me]

[2] Report: what rule(s) they broke (quote them).
[replace me]

[3] Did this affect anyone (e.g. they were using their hacks in PvP)?
[replace me]

[4] Evidence. (If this includes chat, Phase link one or more messages)
[replace me]

[5] Dimension: (if this is a server report).
[replace me]

[6] Roughly, the time (in UTC) the offence was made. (if this is a
server report)

[replace me]