If he is not medically trained then there is a risk that if he were to administer any enemas or suppositories then this could just push the device higher. The anal sphincter is quite tight and may need local anesthetic to reduce sensitivity in order to get adequate access.
Using oral laxatives would take at least 8-12 hours to stimulate the urge to move the bowels and that is quite a long time to have a hard object in the colon.
My advice would be to use some vaseline to lubricate the anus then try again to evacuate the bowel naturally. If this still does not achieve the desired result then I am afraid the only solution is medical intervention.
I'm just going offline now, but I will check back later on to see how you are.
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