As an EM I'd advise you to consider if this person simply isn't outgoing or talkative. Some people are shy or reserved, some people are happy to follow and go

As an EM I'd advise you to consider if this person simply isn't outgoing or talkative. Some people are shy or reserved, some people are happy to follow and go with the flow. Trying to force a shy person to be outgoing can backfire and you'll lose a valuable teammate.