Section 48. Upon complaint to the probate court by a guardian, conservator, ward, creditor or other person interested in the estate of a ward or by a person having claims thereto in expectancy as heir or otherwise, against any one suspected of having fraudulently received, concealed, embezzled or conveyed away any of the property, real or personal, of the ward, the court may cite and examine such suspected person, although he is the guardian or conservator, in the manner and subject to the penalties provided in section forty-four of chapter two hundred and fifteen.