Abstract: Provided is a blade on which a secondary flow loss is reduced without changing aerodynamic design of a base blade.

Abstract: A turbocharger includes: a bearing; a bearing wall portion having a bearing hole in which the bearing is arranged; a separation wall portion, which is provided on a radially outer side of the bearing hole with respect to the bearing wall portion, and forms an internal space with the bearing wall portion; an oil discharge port, which is formed in the separation wall portion, and communicates with the internal space; and a guide portion, which is provided to the bearing wall portion facing the internal space, and separates away from the oil discharge port in a direction of a plane perpendicular to a center axis of the bearing as approaching the oil discharge port in a direction of the center axis.