Mst. is used before Muslim women's names in South Asia. It functions a bit like a title (e.g. Ms. or Mrs.) and also a bit like a name.
mst - Computer Definition
(1) See micro systems technology.
(2) (Magnetic Secure Transmission) See Samsung Pay.
(3) (Multi-Stream Transport) Daisy chaining DisplayPort (DP) devices together. For example, when connecting two monitors, a DP cable goes from the computer's DP-Out port to the DP-In port of the first monitor, and another cable connects DP-Out from the first monitor to the DP-In of the second monitor. See DisplayPort.