First add him or her as a standard user, say e.g. with user name apizer.
Then from the command line (i.e. when logged onto the server) and assuming your course is mth141, run the command:
setProfPermissions.pl mth141 apizer
Note that if you have not added
.../webwork/system/scripts/ to your path, you will have to type the
full path to the script, e.g.
/usr/local/webwork/system/scripts/setProfPermissions.pl mth141 apizer
A goof source of info for the novice user is
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