encargar
to entrust
en-
in, on
+
cargo
load, burden
+
-ar
verb suffix
Encargar means to entrust and can be thought of as en-0 (in, on0) + cargo1 (load, burden1) + -ar2 (verb suffix2), like putting a burden or responsibility onto someone.
verb
- to entrustTo entrust someone with a task or responsibilityMe encargaron organizar la fiesta de cumpleaños. // They entrusted me with organizing the birthday party.