to be of strong character

'Ser de carácter fuerte' is a Spanish phrase that translates to 'to be of strong character' in English. This phrase is typically used to describe an individual who is assertive, resilient, and unwavering in their beliefs or principles. Such individuals often have a noticeable presence, are able to effectively communicate their ideas, and maintain composure during conceivably stressful situations. They're often self-confident, can establish firm personal boundaries, and are valued for their leadership qualities.