engaged as a diplomat
...that Muhammad had engaged as a diplomat for a time during his call to Islam?
...that <a href="./Muhammad" id="mwCMQ" rel="mw:WikiLink" title="Muhammad">Muhammad</a> had <b id="mwCMU"><a class="mw-redirect" href="./Muhammad_as_a_diplomat" id="mwCMY" rel="mw:WikiLink" title="Muhammad as a diplomat">engaged as a diplomat</a></b> for a time during his <a href="./Dawah" id="mwCMc" rel="mw:WikiLink" title="Dawah">call</a> to <a href="./Islam" id="mwCMg" rel="mw:WikiLink" title="Islam">Islam</a>?