This is the 3655th most frequent Spanish word.
necesitado
In need; needy.
Here, 'necesitado' is an adjective describing Carlos as being in need (of emotional support).
Carlos es un hombre necesitado de apoyo emocional.
Carlos is a man in need of emotional support.
'Necesitada' here acts as an adjective describing the state of needing something (clear answers).
Ella estaba necesitada de respuestas claras.
She was in need of clear answers.
In this sentence, 'necesitadas' is used as an adjective to refer to people lacking resources or assistance.