A person who is emphatic about their opinion is likely to be:

When someone is described as emphatic about their opinion, it indicates that they express their beliefs with a strong degree of conviction and assertiveness. This person does not simply share their views; instead, they communicate them with passion and clarity, often persuading others or standing firm in discussions. Being forceful and assertive aligns perfectly with this characteristic, as it signifies having a strong presence and being committed to one's stance. The emphasis in their expression showcases the strength and confidence behind their opinions, making these traits the correct association with the term "emphatic."