ladrador
barker
ladrar
to bark
+
-dor
doer of an action
Ladrador means barker and can be understood as ladrar0 (to bark0) + -dor1 (doer of an action1), literally meaning 'one who barks'.
noun
- barkerA dog that barks frequently or excessivelySu perro es un ladrador incansable. // His dog is a tireless barker.