Abraham the Laborious
Abraham the Laborious was a monk of Kyiv Pechersk Lavra.
He is regarded as a saint, with a feast day of 21 August. He is also commemorated together with other Venerable ones interred in Near Caves on October 11 (28 September of the Julian calendar, see :ru:Собор преподобных отцов Киево-Печерских, в Ближних пещерах почивающих.