As a human, it’s not always possible to do everything and wear all of the hats at the same time. Similarly, it happens in our profession as well. Many times our Clients and Stakeholders they need a single person who can do everything in UX Design including end to end development. For which the UX designers also get confused and start doing everything. So the quality of the deliverable also impact. Actually many times the client, stakeholders misunderstand the word design or the design process. Perhaps it’s always there in their mind that, UX, UI and the development are in the same thing and they put them in the same bucket. Hence, they want an individual with all-knowing, all-fixing genius. It happens in many cases. Finally the output goes for toss.
First of all know the UX process thoroughly. Make your client understand that UX holds multiple disciplines herpes simplex virus and all of them plays different roles. Observe what are the techniques, how to do what etc. It just a matter of few months.
At the other hand, A designer should know in which area he is good at i.e. Research, Analysis or Design. This is where they can help the organization to come up with the best product design solution.